CVE-2026-101091
SiYuan versions before v3.8.4 fail to properly validate SQL statements in block query embed blocks executed against siyuan.db. Attackers can craft malicious .sy documents with non-read-only SQL statements that execute automatically during background indexing, rendering, or export operations without authentication.
- Score
- CVSS 4.0 7.1 High
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-09-28
- Last modified
- 2026-09-29
- Weaknesses
- CWE-89
Affected products
References
- https://github.com/siyuan-note/siyuan/commit/e8ace0c89182c7ee1a1298ff2a849bb6a83dfdec
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67p9-hm94-xwf3
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-sql-injection-via-block-query-embed
